Fix a race condition in sl4a rpc client.

Counter is a module level member, which is shared by all instances
of the Rpc client class. Yet each class holds its own instance of
a lock.

Bug=29427374

Change-Id: I673e55b1a1357f3f47a3bc20c0a04266a3c5a40d
3 files changed
tree: 1d23edb470d7c3dd5538c63899b3714bc6852fbc
  1. acts/